<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>有序列表</title>
    </head>
    <body>
        <h2>三年级排名情况</h2>
        <!-- 有序列表 -->
        <ol>
            <li>三年级2班</li>
            <li>三年级1班</li>
            <li>三年级3班</li>
        </ol>
    </body>
</html>